Switch Amplifier KFD2-SR2-Ex2.W

• 2-channel isolated barrier
• 24 V DC supply (Power Rail)
• Dry contact or NAMUR inputs
• Relay contact output
• Line fault detection (LFD)
• Reversible mode of operation
• Up to SIL 2 acc. to IEC 61508/IEC 6151

• Veri sayfası alıntısı: Teknik veriler  KFD2-SR2-Ex2.W

  General specifications
  Signal type		Digital Input
  Functional safety related parameters
  Safety Integrity Level (SIL)		SIL 2
  Supply
  Connection		Power Rail or terminals 14+, 15-
  Rated voltage		19 ... 30 V DC
  Ripple		≤ 10 %
  Rated current		≤ 50 mA
  Power dissipation		≤ 1 W
  Power consumption		≤ 1 W
  Input
  Connection side		field side
  Connection		terminals 1+, 2+, 3-; 4+, 5+, 6-
  Rated values		acc. to EN 60947-5-6 (NAMUR)
  Open circuit voltage/short-circuit current		approx. 8 V DC / approx. 8 mA
  Switching point/switching hysteresis		1.2 ... 2.1 mA / approx. 0.2 mA
  Line fault detection		breakage I ≤ 0.1 mA , short-circuit I > 6 mA
  Pulse/Pause ratio		min. 20 ms / min. 20 ms
  Output
  Connection side		control side
  Connection		output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12
  Output I, II		signal, relay
  Contact loading		250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos φ > 0.75; 40 V DC/2 A resistive load
  Minimum switch current		2 mA / 24 V DC
  Energized/De-energized delay		approx. 20 ms / approx. 20 ms
  Mechanical life		107 switching cycles
  Collective error message		Power Rail
  Transfer characteristics
  Switching frequency		≤ 10 Hz
  Galvanic isolation
  Input/Output		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
  Input/power supply		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
  Output/power supply		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
  Output/Output		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
  Indicators/settings
  Display elements		LEDs
  Control elements		DIP switch
  Configuration		via DIP switches
  Labeling		space for labeling at the front
  Directive conformity
  Electromagnetic compatibility
  	Directive 2014/30/EU	EN 61326-1:2013 (industrial locations)
  Low voltage
  	Directive 2014/35/EU	EN 61010-1:2010+A1:2019+A1:2019/AC:2019
  Conformity
  Electromagnetic compatibility		NE 21:2017 , EN 61326-3-1:2017 , EN IEC 61326-3-2:2018
  Degree of protection		IEC 60529:1989+A1:1999+A2:2013
  Functional safety		IEC/EN 61508:2010
  Input		EN 60947-5-6:2000
  Ambient conditions
  Ambient temperature		-20 ... 70 °C (-4 ... 158 °F)
  Mechanical specifications
  Degree of protection		IP20
  Connection		screw terminals
  Mass		approx. 150 g
  Dimensions		20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) (W x H x D) , housing type B2
  Mounting		on 35 mm DIN mounting rail acc. to EN 60715:2001
  Data for application in connection with hazardous areas
  EU-type examination certificate		PTB 00 ATEX 2080
  	Marking	II (1)G [Ex ia Ga] IIC  II (1)D [Ex ia Da] IIIC  I (M1) [Ex ia Ma] I
  	Input	Ex ia
  	Voltage	10.5 V
  	Current	13 mA
  	Power	34 mW (linear characteristic)
  Supply
  	Maximum safe voltage	253 V AC / 125 V DC (Attention! Um is no rated voltage.)
  Output
  	Maximum safe voltage	253 V AC (Attention! The rated voltage can be lower.)
  Fault indication output
  	Maximum safe voltage	40 V DC (Attention! Um is no rated voltage.)
  Certificate		PF 08 CERT 0803
  	Marking	II (3)G [Ex ic Gc] IIC
  Input		Ex ic
  	Voltage	10.5 V
  	Current	13 mA
  	Power	34 mW (linear characteristic)
  Certificate		TÜV 99 ATEX 1493 X
  	Marking	II 3G Ex ec nC IIC T4 Gc
  Output
  	Contact loading	50 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load
  Galvanic isolation
  	Input/Output	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
  	Input/power supply	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
  Directive conformity
  	Directive 2014/34/EU	EN IEC 60079-0:2018+AC:2020 , EN 60079-7:2015+A1:2018 , EN 60079-11:2012 , EN IEC 60079-15:2019
  International approvals
  FM approval
  	FM certificate	FM19US0207X
  	Control drawing	116-0035
  UL approval		E106378
  	Control drawing	116-0473 (cULus)
  	Contact loading	250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos φ > 0.75; 30 V DC/2 A resistive load
  	Ambient temperature	-20 ... 60 °C (-4 ... 140 °F)
  IECEx approval
  	IECEx certificate	IECEx PTB 11.0034 , IECEx TUN 19.0013X
  	IECEx marking	[Ex ia Ga] IIC [Ex ia Da] IIIC [Ex ia Ma] I Ex ec nC IIC T4 Gc